Its totally cool to see companies invent new ways to put money in artists hands and I applaud Valve for coming up with another way to do it. Checkout the Robotic Boogaloo site below and the "production drone" credits for whom participated in making it.
http://www.teamfortress.com/roboticboogaloo/
http://www.teamfortress.com/roboticboogaloo/credits/
Team Fortress 2 is available for free on Steam and runs on Linux, Mac and PC.
There is also a comic released as part of the update called "Death of a Salesbot" and is available to read in your browser and also downloadable as a PDF or CBR.
http://www.teamfortress.com/roboticboogaloo/comic.php#
